Method _castKey

src/dialects/abstract/query-generator.js:2707–2714

(key, value, cast, json)

  }

  _castKey(key, value, cast, json) {
    cast = cast || this._getJsonCast(Array.isArray(value) ? value[0] : value);
    if (cast) {
      return new Utils.Literal(this.handleSequelizeMethod(new Utils.Cast(new Utils.Literal(key), cast, json)));
    }

    return new Utils.Literal(key);
  }

  _getJsonCast(value) {
    if (typeof value === 'number') {